Modern synthetic theory of evolution (neo-Darwinism) MCQ
1. The modern synthetic theory of evolution combines Darwin's theory of natural selection with:
a) Lamarckian inheritance
b) Punctuated equilibrium
c) Mendelian genetics
d) Genetic drift
Answer: c) Mendelian genetics
2. The modern synthetic theory of evolution states that evolution is primarily driven by:
a) Genetic mutations
b) Random chance
c) Natural selection acting on genetic variations
d) Environmental changes
Answer: c) Natural selection acting on genetic variations
3. The modern synthetic theory of evolution emphasizes the role of which mechanism in generating genetic variation?
a) Genetic drift
b) Gene flow
c) Sexual reproduction
d) Mutation
Answer: d) Mutation
4. According to the modern synthetic theory of evolution, new alleles arise in a population through:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
5. Which of the following is NOT a key component of the modern synthetic theory of evolution?
a) Gradualism
b) Genetic recombination
c) Speciation
d) Genetic variation
Answer: a) Gradualism
6. The modern synthetic theory of evolution explains that natural selection acts on:
a) Individuals
b) Genes
c) Populations
d) Species
Answer: a) Individuals
7. Which of the following best describes the concept of genetic recombination in the modern synthetic theory of evolution?
a) The process by which new genes are created through mutation
b) The exchange of genetic material between homologous chromosomes during meiosis
c) The accumulation of genetic changes over long periods of time
d) The random changes in allele frequencies due to chance events
Answer: b) The exchange of genetic material between homologous chromosomes during meiosis
8. The modern synthetic theory of evolution incorporates the concept of genetic drift, which refers to:
a) The migration of individuals between populations
b) The loss of genetic diversity due to random fluctuations in allele frequencies
c) The differential reproductive success of individuals with different traits
d) The formation of new species through geographic isolation
Answer: b) The loss of genetic diversity due to random fluctuations in allele frequencies
9. According to the modern synthetic theory of evolution, what is the ultimate source of genetic variation in a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
10. The modern synthetic theory of evolution proposes that speciation occurs through:
a) Genetic drift
b) Gene flow
c) Natural selection
d) Reproductive isolation
Answer: d) Reproductive isolation
11. The modern synthetic theory of evolution explains that adaptations arise through:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: d) Natural selection
12. The modern synthetic theory of evolution incorporates the concept of gene flow, which refers to:
a) The movement of individuals between populations, leading to the transfer of genes
b) The accumulation of genetic changes over long periods of time
c) The random changes in allele frequencies due to chance events
d) The differential reproductive success of individuals with different traits
Answer: a) The movement of individuals between populations, leading to the transfer of genes
13. According to the modern synthetic theory of evolution, what is the role of natural selection in the evolution of populations?
a) It preserves all genetic variations within a population.
b) It eliminates all genetic variations within a population.
c) It favors individuals with traits that increase their reproductive success.
d) It leads to the formation of new species through geographic isolation.
Answer: c) It favors individuals with traits that increase their reproductive success.
14. The modern synthetic theory of evolution incorporates the concept of sexual selection, which refers to:
a) The accumulation of genetic changes over long periods of time
b) The random changes in allele frequencies due to chance events
c) The differential reproductive success of individuals based on their ability to attract mates
d) The migration of individuals between populations, leading to the transfer of genes
Answer: c) The differential reproductive success of individuals based on their ability to attract mates
15. The modern synthetic theory of evolution proposes that evolutionary change occurs:
a) Gradually and continuously over long periods of time
b) In sudden bursts followed by long periods of stasis
c) Through the accumulation of small genetic changes over time
d) Through the inheritance of acquired characteristics
Answer: a) Gradually and continuously over long periods of time
16. According to the modern synthetic theory of evolution, what is the ultimate source of genetic variation in a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
17. The modern synthetic theory of evolution proposes that new species arise through the process of:
a) Genetic drift
b) Gene flow
c) Mutation
d) Speciation
Answer: d) Speciation
18. The modern synthetic theory of evolution incorporates the concept of genetic variation, which refers to:
a) The accumulation of genetic changes over long periods of time
b) The random changes in allele frequencies due to chance events
c) The presence of different alleles in a population
d) The movement of individuals between populations, leading to the transfer of genes
Answer: c) The presence of different alleles in a population
19. According to the modern synthetic theory of evolution, what is the main driving force behind the evolution of populations?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: d) Natural selection
20. The modern synthetic theory of evolution suggests that the process of evolution occurs at which level?
a) Individual organisms
b) Genes
c) Populations
d) Communities
Answer: c) Populations
21. The modern synthetic theory of evolution proposes that the majority of genetic variation in a population is due to:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
22. The modern synthetic theory of evolution incorporates the concept of genetic equilibrium, which refers to:
a) A state in which allele frequencies in a population remain constant over time
b) The random changes in allele frequencies due to chance events
c) The differential reproductive success of individuals with different traits
d) The accumulation of genetic changes over long periods of time
Answer: a) A state in which allele frequencies in a population remain constant over time
23. According to the modern synthetic theory of evolution, what is the ultimate source of genetic variation in a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c)
Mutation
24. The modern synthetic theory of evolution suggests that new species arise through the process of:
a) Genetic drift
b) Gene flow
c) Mutation
d) Speciation
Answer: d) Speciation
25. The modern synthetic theory of evolution proposes that genetic variations arise through:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
26. According to the modern synthetic theory of evolution, what is the primary mechanism by which new alleles are introduced into a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
27. The modern synthetic theory of evolution suggests that adaptations arise through:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: d) Natural selection
28. The modern synthetic theory of evolution incorporates the concept of gene flow, which refers to:
a) The movement of individuals between populations, leading to the transfer of genes
b) The random changes in allele frequencies due to chance events
c) The differential reproductive success of individuals with different traits
d) The accumulation of genetic changes over long periods of time
Answer: a) The movement of individuals between populations, leading to the transfer of genes
29. According to the modern synthetic theory of evolution, what is the role of natural selection in the evolution of populations?
a) It preserves all genetic variations within a population.
b) It eliminates all genetic variations within a population.
c) It favors individuals with traits that increase their reproductive success.
d) It leads to the formation of new species through geographic isolation.
Answer: c) It favors individuals with traits that increase their reproductive success.
30. The modern synthetic theory of evolution incorporates the concept of sexual selection, which refers to:
a) The accumulation of genetic changes over long periods of time
b) The random changes in allele frequencies due to chance events
c) The differential reproductive success of individuals based on their ability to attract mates
d) The migration of individuals between populations, leading to the transfer of genes
Answer: c) The differential reproductive success of individuals based on their ability to attract mates
31. The modern synthetic theory of evolution proposes that evolutionary change occurs:
a) Gradually and continuously over long periods of time
b) In sudden bursts followed by long periods of stasis
c) Through the accumulation of small genetic changes over time
d) Through the inheritance of acquired characteristics
Answer: a) Gradually and continuously over long periods of time
32. According to the modern synthetic theory of evolution, what is the ultimate source of genetic variation in a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
33. The modern synthetic theory of evolution proposes that new species arise through the process of:
a) Genetic drift
b) Gene flow
c) Mutation
d) Speciation
Answer: d) Speciation
34. The modern synthetic theory of evolution incorporates the concept of genetic variation, which refers to:
a) The accumulation of genetic changes over long periods of time
b) The random changes in allele frequencies due to chance events
c) The presence of different alleles in a population
d) The movement of individuals between populations, leading to the transfer of genes
Answer: c) The presence of different alleles in a population
35. According to the modern synthetic theory of evolution,
what is the main driving force behind the evolution of populations?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: d) Natural selection
36. The modern synthetic theory of evolution suggests that the process of evolution occurs at which level?
a) Individual organisms
b) Genes
c) Populations
d) Communities
Answer: c) Populations
37. The modern synthetic theory of evolution proposes that the majority of genetic variation in a population is due to:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
38. According to the modern synthetic theory of evolution, what is the main mechanism that leads to reproductive isolation and the formation of new species?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: b) Gene flow
39. The modern synthetic theory of evolution incorporates the concept of genetic equilibrium, which refers to:
a) A state in which allele frequencies in a population remain constant over time
b) The random changes in allele frequencies due to chance events
c) The differential reproductive success of individuals with different traits
d) The accumulation of genetic changes over long periods of time
Answer: a) A state in which allele frequencies in a population remain constant over time
40. According to the modern synthetic theory of evolution, what is the ultimate source of genetic variation in a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
41. The modern synthetic theory of evolution suggests that new species arise through the process of:
a) Genetic drift
b) Gene flow
c) Mutation
d) Speciation
Answer: d) Speciation
42. The modern synthetic theory of evolution proposes that genetic variations arise through:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
43. According to the modern synthetic theory of evolution, what is the primary mechanism by which new alleles are introduced into a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
44. The modern synthetic theory of evolution suggests that adaptations arise through:
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: d) Natural selection
45. The modern synthetic theory of evolution incorporates the concept of gene flow, which refers to:
a) The movement of individuals between populations, leading to the transfer of genes
b) The random changes in allele frequencies due to chance events
c) The differential reproductive success of individuals with different traits
d) The accumulation of genetic changes over long periods of time
Answer: a) The movement of individuals between populations, leading to the transfer of genes
46. According to the modern synthetic theory of evolution, what is the role of natural selection in the evolution of populations?
a) It preserves all genetic variations within a population.
b) It eliminates all genetic variations within a population.
c) It favors individuals with traits that increase their reproductive success.
d) It leads to the formation of new species through geographic isolation.
Answer: c) It favors individuals with traits that increase their reproductive success.
47. The modern synthetic theory of evolution incorporates the concept of sexual selection, which refers to:
a) The accumulation of genetic changes over long periods of
time
b) The random changes in allele frequencies due to chance events
c) The differential reproductive success of individuals based on their ability to attract mates
d) The migration of individuals between populations, leading to the transfer of genes
Answer: c) The differential reproductive success of individuals based on their ability to attract mates
48. The modern synthetic theory of evolution proposes that evolutionary change occurs:
a) Gradually and continuously over long periods of time
b) In sudden bursts followed by long periods of stasis
c) Through the accumulation of small genetic changes over time
d) Through the inheritance of acquired characteristics
Answer: a) Gradually and continuously over long periods of time
49. According to the modern synthetic theory of evolution, what is the ultimate source of genetic variation in a population?
a) Genetic drift
b) Gene flow
c) Mutation
d) Natural selection
Answer: c) Mutation
50. The modern synthetic theory of evolution proposes that new species arise through the process of:
a) Genetic drift
b) Gene flow
c) Mutation
d) Speciation
Answer: d) Speciation
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